static void
free_widget_value_tree (widget_value *wv)
{
if (!wv)
return;
free (wv->name);
free (wv->value);
free (wv->key);
wv->name = wv->value = wv->key = (char *) 0xDEADBEEF;
if (wv->toolkit_data && wv->free_toolkit_data)
{
XtFree (wv->toolkit_data);
wv->toolkit_data = (void *) 0xDEADBEEF;
}
if (wv->contents && (wv->contents != (widget_value*)1))
{
free_widget_value_tree (wv->contents);
wv->contents = (widget_value *) 0xDEADBEEF;
}
if (wv->next)
{
free_widget_value_tree (wv->next);
wv->next = (widget_value *) 0xDEADBEEF;
}
free_widget_value (wv);
}
void free_widget_value_tree(widget_value * wv)
{
if (!wv)
return;
free_widget_value_contents(wv);
free_widget_value(wv);
}
/* This recursively calls free_widget_value() on the tree of widgets.
It must free all data that was malloc'ed for these widget_values.
It used to be that emacs only allocated new storage for the `key' slot.
All other slots are pointers into the data of Lisp_Strings, and must be
left alone. */
void free_popup_widget_value_tree(widget_value * wv)
{
if (!wv) {
return;
}
if (wv->key) {
/* we mustnt free this? */
#if !defined HAVE_BDWGC || !defined EF_USE_BDWGC
xfree(wv->key);
#endif /* !BDWGC */
}
if (wv->value) {
/* we mustnt free this? */
#if !defined HAVE_BDWGC || !defined EF_USE_BDWGC
xfree(wv->value);
#endif /* !BDWGC */
}
if (wv->name) {
/* we mustnt free this? */
#if !defined HAVE_BDWGC || !defined EF_USE_BDWGC
xfree(wv->name);
#endif /* !BDWGC */
}
#if defined HAVE_BDWGC && defined EF_USE_BDWGC
wv->name = wv->value = wv->key = NULL;
#else /* !BDWGC */
wv->name = wv->value = wv->key = (char *)0xDEADBEEF;
#endif /* BDWGC */
if (wv->contents && (wv->contents != (widget_value *) 1)) {
free_popup_widget_value_tree(wv->contents);
#if defined HAVE_BDWGC && defined EF_USE_BDWGC
wv->contents = NULL;
#else /* !BDWGC */
wv->contents = (widget_value *) 0xDEADBEEF;
#endif /* BDWGC */
}
if (wv->next) {
free_popup_widget_value_tree(wv->next);
#if defined HAVE_BDWGC && defined EF_USE_BDWGC
wv->next = NULL;
#else /* !BDWGC */
wv->next = (widget_value *) 0xDEADBEEF;
#endif /* BDWGC */
}
free_widget_value(wv);
return;
}
void
free_menubar_widget_value_tree (widget_value *wv)
{
if (! wv) return;
wv->name = wv->value = wv->key = (char *) 0xDEADBEEF;
if (wv->contents && (wv->contents != (widget_value*)1))
{
free_menubar_widget_value_tree (wv->contents);
wv->contents = (widget_value *) 0xDEADBEEF;
}
if (wv->next)
{
free_menubar_widget_value_tree (wv->next);
wv->next = (widget_value *) 0xDEADBEEF;
}
block_input ();
free_widget_value (wv);
unblock_input ();
}
void
free_menubar_widget_value_tree (widget_value *wv)
{
if (! wv) return;
wv->name = wv->value = wv->key = (char *) 0xDEADBEEF;
if (wv->contents && (wv->contents != (widget_value*)1))
{
free_menubar_widget_value_tree (wv->contents);
wv->contents = (widget_value *) 0xDEADBEEF;
}
if (wv->next)
{
free_menubar_widget_value_tree (wv->next);
wv->next = (widget_value *) 0xDEADBEEF;
}
BLOCK_INPUT;
free_widget_value (wv);
UNBLOCK_INPUT;
}
/* This recursively calls free_widget_value() on the tree of widgets.
It must free all data that was malloc'ed for these widget_values.
It used to be that emacs only allocated new storage for the `key' slot.
All other slots are pointers into the data of Lisp_Strings, and must be
left alone. */
void
free_popup_widget_value_tree (widget_value *wv)
{
if (! wv) return;
if (wv->key) xfree (wv->key);
if (wv->value) xfree (wv->value);
if (wv->name) xfree (wv->name);
wv->name = wv->value = wv->key = (char *) 0xDEADBEEF;
if (wv->contents && (wv->contents != (widget_value*)1))
{
free_popup_widget_value_tree (wv->contents);
wv->contents = (widget_value *) 0xDEADBEEF;
}
if (wv->next)
{
free_popup_widget_value_tree (wv->next);
wv->next = (widget_value *) 0xDEADBEEF;
}
free_widget_value (wv);
}
widget_value *
digest_single_submenu (int start, int end, bool top_level_items)
{
widget_value *wv, *prev_wv, *save_wv, *first_wv;
int i;
int submenu_depth = 0;
widget_value **submenu_stack;
bool panes_seen = 0;
struct frame *f = XFRAME (Vmenu_updating_frame);
submenu_stack = alloca (menu_items_used * sizeof *submenu_stack);
wv = xmalloc_widget_value ();
wv->name = "menu";
wv->value = 0;
wv->enabled = 1;
wv->button_type = BUTTON_TYPE_NONE;
wv->help = Qnil;
first_wv = wv;
save_wv = 0;
prev_wv = 0;
/* Loop over all panes and items made by the preceding call
to parse_single_submenu and construct a tree of widget_value objects.
Ignore the panes and items used by previous calls to
digest_single_submenu, even though those are also in menu_items. */
i = start;
while (i < end)
{
if (EQ (AREF (menu_items, i), Qnil))
{
submenu_stack[submenu_depth++] = save_wv;
save_wv = prev_wv;
prev_wv = 0;
i++;
}
else if (EQ (AREF (menu_items, i), Qlambda))
{
prev_wv = save_wv;
save_wv = submenu_stack[--submenu_depth];
i++;
}
else if (EQ (AREF (menu_items, i), Qt)
&& submenu_depth != 0)
i += MENU_ITEMS_PANE_LENGTH;
/* Ignore a nil in the item list.
It's meaningful only for dialog boxes. */
else if (EQ (AREF (menu_items, i), Qquote))
i += 1;
else if (EQ (AREF (menu_items, i), Qt))
{
/* Create a new pane. */
Lisp_Object pane_name;
const char *pane_string;
panes_seen = 1;
pane_name = AREF (menu_items, i + MENU_ITEMS_PANE_NAME);
/* TTY menus display menu items via tty_write_glyphs, which
will encode the strings as appropriate. */
if (!FRAME_TERMCAP_P (f))
{
#ifdef HAVE_NTGUI
if (STRINGP (pane_name))
{
if (unicode_append_menu)
/* Encode as UTF-8 for now. */
pane_name = ENCODE_UTF_8 (pane_name);
else if (STRING_MULTIBYTE (pane_name))
pane_name = ENCODE_SYSTEM (pane_name);
ASET (menu_items, i + MENU_ITEMS_PANE_NAME, pane_name);
}
#elif defined (USE_LUCID) && defined (HAVE_XFT)
if (STRINGP (pane_name))
{
pane_name = ENCODE_UTF_8 (pane_name);
ASET (menu_items, i + MENU_ITEMS_PANE_NAME, pane_name);
}
#elif !defined (HAVE_MULTILINGUAL_MENU)
if (STRINGP (pane_name) && STRING_MULTIBYTE (pane_name))
{
pane_name = ENCODE_MENU_STRING (pane_name);
ASET (menu_items, i + MENU_ITEMS_PANE_NAME, pane_name);
}
#endif
}
pane_string = (NILP (pane_name)
? "" : SSDATA (pane_name));
/* If there is just one top-level pane, put all its items directly
under the top-level menu. */
if (menu_items_n_panes == 1)
pane_string = "";
/* If the pane has a meaningful name,
make the pane a top-level menu item
with its items as a submenu beneath it. */
if (strcmp (pane_string, ""))
{
wv = xmalloc_widget_value ();
if (save_wv)
save_wv->next = wv;
else
first_wv->contents = wv;
wv->lname = pane_name;
/* Set value to 1 so update_submenu_strings can handle '@' */
wv->value = (char *)1;
wv->enabled = 1;
wv->button_type = BUTTON_TYPE_NONE;
wv->help = Qnil;
save_wv = wv;
}
else
save_wv = first_wv;
prev_wv = 0;
i += MENU_ITEMS_PANE_LENGTH;
}
else
{
/* Create a new item within current pane. */
Lisp_Object item_name, enable, descrip, def, type, selected;
Lisp_Object help;
/* All items should be contained in panes. */
if (! panes_seen)
emacs_abort ();
item_name = AREF (menu_items, i + MENU_ITEMS_ITEM_NAME);
enable = AREF (menu_items, i + MENU_ITEMS_ITEM_ENABLE);
descrip = AREF (menu_items, i + MENU_ITEMS_ITEM_EQUIV_KEY);
def = AREF (menu_items, i + MENU_ITEMS_ITEM_DEFINITION);
type = AREF (menu_items, i + MENU_ITEMS_ITEM_TYPE);
selected = AREF (menu_items, i + MENU_ITEMS_ITEM_SELECTED);
help = AREF (menu_items, i + MENU_ITEMS_ITEM_HELP);
/* TTY menu items and their descriptions will be encoded by
tty_write_glyphs. */
if (!FRAME_TERMCAP_P (f))
{
#ifdef HAVE_NTGUI
if (STRINGP (item_name))
{
if (unicode_append_menu)
item_name = ENCODE_UTF_8 (item_name);
else if (STRING_MULTIBYTE (item_name))
item_name = ENCODE_SYSTEM (item_name);
ASET (menu_items, i + MENU_ITEMS_ITEM_NAME, item_name);
}
if (STRINGP (descrip) && STRING_MULTIBYTE (descrip))
{
descrip = ENCODE_SYSTEM (descrip);
ASET (menu_items, i + MENU_ITEMS_ITEM_EQUIV_KEY, descrip);
}
#elif USE_LUCID
if (STRINGP (item_name))
{
item_name = ENCODE_UTF_8 (item_name);
ASET (menu_items, i + MENU_ITEMS_ITEM_NAME, item_name);
}
if (STRINGP (descrip))
{
descrip = ENCODE_UTF_8 (descrip);
ASET (menu_items, i + MENU_ITEMS_ITEM_EQUIV_KEY, descrip);
}
#elif !defined (HAVE_MULTILINGUAL_MENU)
if (STRING_MULTIBYTE (item_name))
{
item_name = ENCODE_MENU_STRING (item_name);
ASET (menu_items, i + MENU_ITEMS_ITEM_NAME, item_name);
}
if (STRINGP (descrip) && STRING_MULTIBYTE (descrip))
{
descrip = ENCODE_MENU_STRING (descrip);
ASET (menu_items, i + MENU_ITEMS_ITEM_EQUIV_KEY, descrip);
}
#endif
}
wv = xmalloc_widget_value ();
if (prev_wv)
prev_wv->next = wv;
else
save_wv->contents = wv;
wv->lname = item_name;
if (!NILP (descrip))
wv->lkey = descrip;
wv->value = 0;
/* The intptr_t cast avoids a warning. There's no problem
as long as pointers have enough bits to hold small integers. */
wv->call_data = (!NILP (def) ? (void *) (intptr_t) i : 0);
wv->enabled = !NILP (enable);
if (NILP (type))
wv->button_type = BUTTON_TYPE_NONE;
else if (EQ (type, QCradio))
wv->button_type = BUTTON_TYPE_RADIO;
else if (EQ (type, QCtoggle))
wv->button_type = BUTTON_TYPE_TOGGLE;
else
emacs_abort ();
wv->selected = !NILP (selected);
if (! STRINGP (help))
help = Qnil;
wv->help = help;
prev_wv = wv;
i += MENU_ITEMS_ITEM_LENGTH;
}
}
/* If we have just one "menu item"
that was originally a button, return it by itself. */
if (top_level_items && first_wv->contents && first_wv->contents->next == 0)
{
wv = first_wv->contents;
free_widget_value (first_wv);
return wv;
}
return first_wv;
}
